the executive engineer (electrical works), iit kharagpur invites

INDIAN INSTITUTE OF TECHNOLOGY KHARAGPUR 721 302

ESTATE (E&M) WORKS SECTION

TENDER NOTICE

No. : IIT/E/E&M/T/35/2016-17 Dt. : 03.01.2017

The Executive Engineer (Electrical Works), IIT Kharagpur invites sealed item rate tenders in Two Bid System containing Part-I (Technical Bid) & Part-II (Financial Bid) from the registered and eligible contractors of the Indian Institute of Technology, Kharagpur/CPWD/WBPWD/MES/Railways (SER)/Kharagpur Municipality/PSUs and other bonafied agencies meeting the minimum qualification criteria for the following Work : Sl. No.

Name of Work Estimated Amount

( )

Earnest Money ( )

Cost of Tender

Document ( )

Completion Time

1

Electrical Works associated with routine maintenance work under Electric Power Distribution Section (EPDS)

4,98,779.00 9,976.00 (To be submitted in a separate envelope)

1,000.00 (non-

refundable)

12 Months

2 Electrical Maintenance Work for Academic area in Main Institute Building, New Academic Complex, NCRC and also in STEP Gopali, IIT Kharagpur.

4,95,008.00 9,900.00 (To be

submitted in a separate envelope)

1,000.00 (non-

refundable)

12 Months

3 Supply, installation, testing and commissioning of 400kVA Servo Controlled Voltage Stabilizer for ANICUT Pump House, IIT Kharagpur.

6,84,236.00 13,685.00 (To be

submitted in a separate envelope)

1,000.00 (non-

refundable)

4 Months

TENDER DOCUMENTS can be downloaded from the Institute website www.iitkgp.ac.in. Requisite Tender fee (non-refundable) to be paid by demand draft in favour of “IIT Kharagpur” on any nationalized Bank of India payable at Kharagpur Branch as stated above at the time of submission of Bid.

( Contd…..2)

http://www.iitkgp.ac.in/

( Page…2 ) TECHNICAL BID : Technical Bid must accompany the following documents with self attestation for Technical evaluation: A. i) VAT

ii) PAN iii) Completion Certificates of works justifying eligibility criteria. iv) Updated Contractor’s Electrical Licence v) Updated Trade Licence

Kindly note the following information as per the Table below:

Date of Submission of Technical Bid, Price Bid 11th January 2017 upto 3:30 P.M. Date of opening of Technical Bid 11th January 2017 at 4:00 P.M. Date of opening of Price Bid 18th January 2017 at 4:00 P.M. Tender Paper Cost (Non-refundable) & Earnest Money Deposit

To be paid by demand draft in favour of “IIT Kharagpur” on any nationalized Bank of India payable at Kharagpur Branch in two separate envelopes. Earnest Money will be converted to Security Deposit of successful tenderer.

The bidders must submit the bid in 3 (Three) nos. separate envelops each containing a) Technical Bid, b) Price Bid & c) Earnest Money Deposit & Tender Paper cost. The Technical bid must have a forwarding application along with all relevant documents as required in the Technical Bid. B. Eligibility criteria : Contractors who fulfill the following requirement shall be eligible to apply : Three works each costing not less than 40% of estimated cost or two works each costing not less than 60% of estimated cost or one work costing not less than 80% of estimated cost executed under Central /State Government/Central Autonomous Body/PSUs. C. Make list of the major items /equipment to be supplied. FINANCIAL BID : Financial Bid must accompany the Price bid duly filled. ( S. Ghosh) Executive Engineer (Electrical) Copy to :

1. Registrar, IIT Kharagpur 2. Prof.-In-Charge (Electrical Works) 3. Prof.-In-Charge, IIC--- with a request to upload the tender notice in the Institute Website 4. Superintending Engineer (Civil) 5. Dy. Registrar (F&A) 6. Notice Board, EPDS 7. Notice Board, Estate (E&M) Head Office

Indian Institute of Technology, Kharagpur Estate (E&M) Works Section

Tender Document

For

Name of the Work : Electrical Works associated with routine maintenance work under Electric Power Distribution Section (EPDS) 1. The site for the work is available/or the site for the work shall be made available in the parts as specified below. 2. The time allowed for carrying out the work will be 12 (Twelve) Months from the day

after the date of written orders to commence the work. 3. The contractor should quote the figures as well as in words the rate and amount

tendered by them. The amount for each item should be worked out and the requisite totals given.

4. When a contractor signs a tender in an Indian Language the total amount tendered should also be written in the same language. 5. Earnest Money, amounting to Rs.9,976.00( Rupees Nine thousand nine hundred seventy six only) in Demand Draft in favour of “ IIT Kharagpur” on SBI, Kharagpur must accompany each tender and each tender is to be in a sealed cover superscribed

with , “Electrical Works associated with routine maintenance work under Electric Power Distribution Section (EPDS).”. 6. Earnest Money of the successful bidder is to be converted into security deposit, further sum amounting 10% or as applicable will be deducted from your running bill(s)/final bill. 7. The acceptance of a tender, will rest with the authority who does not bind himself to

accept the lowest tender, and reserves to himself the authority to reject any or all the tenders received without the assignment of a reason. All tenders in which any of the prescribed conditions are not fulfilled or are incomplete in any respect are liable to be rejected.

8. Canvassing in connections with tenders is strictly prohibited and the tenders submitted by the contractors who resort to canvassing will be liable to rejection.

9. All rates shall be quoted on the proper form of the tender alone.

10. On acceptance of the tender, the name of the accredited representative(s) of the contractor who would be responsible for taking instructions from the Engineer-in-Charge shall be communicated to the Engineer-in-Charge. 11. Special care should be taken to write the rates in figures as well as in words, and the

amount in figures only, in such a way that interpolation is not possible. The total amount should be written both in figures and in words. In case of figures, the word “Rs.” should be written before the figure of rupees and words “P” after the decimal figures, “e.g., Rs.2.15P” and incase of words “Rupees” should precede and the word “Paise” should be written at the end. Unless the rate is in whole rupees and followed by the words “only” it should invariably be upto two decimal places. While quoting the rate in schedule of quantities, the work “only” should be written closely following the amount and it should not be written in the next line.

12. The Institute does not bind himself to accept the lowest or any tender and reserve to himself the right of accepting the whole or any part of the tender and the tenderer shall be bound to perform the same at the rate quoted.

13. Sales-tax, purchase tax, turnover tax, service tax, VAT, Octroi, labour cess insurance or any other tax on materials, machinery and T&P, labour or any other item/service in respect of this contract shall be payable by the contractor and Institute will not entertain any claim whatsoever in respect of the same.

14. The contractor shall not be permitted to tender for works in the Institute in which his near relative is posted as Divisional Accountant or as an Officer in any capacity between the grades of Superintending Engineer and Engineer (Both inclusive). He shall also intimate the names of persons who are working with him in any capacity or are subsequently employed by him and who are near relatives to any Officer in the Institute. Any broach of this condition by the contractor would render him liable to be removed from the approved list of contractors of this Institute.

15. The contractor shall give a list of Institute employees related to him. 16. No Engineer of Officer rank or other employees employed in Engineering or

Administrative duties in an Engineering Department of the Govt. of India Institute is allowed to work as a contractor for a period of two years of the retirement from Govt. service Institute, without the previous permission of the Govt. of India Institute. This contractor is liable to be cancelled if either the contractor or any of this employees is found at any time to be such a person who had not obtained the permission of the Govt. of India Institute as aforesaid before submission of the tender or engagement in the contractor’ service.

17.The tender for the work shall remain open for acceptance for period of 120 days from the date of opening of the tender. If any tenderer withdraws his tender before the said period or makes any modifications in terms & conditions which are not acceptable to the Engineer-in-charge then Institute shall without prejudice to day other right or remedy be a liberty to forfeit the said earnest money.

18.The contractors exempted from payment of earnest money/security deposit in individual cases should attach with the tender an attested copy of the Institute’s letter exempting them from the payment of earnest money and security deposit and should produce the original whenever called upon to do so.

19. The tender for the work shall not be witnessed by a contractor or contractors who himself/themselves has/have tendered or who may and has/have tendered for the same work. Failure to observe this condition would render tenders of the contractors tendering as well as witnessing the tender liable to summery rejection.

20.The Contractor shall submit list of works which are in hand (Progress) in the following form :

Name of

Work Name and particulars of Division where work is being executed.

Amount of work

Position of works in progress

Remarks

21.Rates quoted by the contractors in item rate tender in figures and words shall be accurately filled in so that there is no discrepancy in the rates written in figures, and in word. However, if a discrepancy is found the rates which correspond with the amount worked out by the contractor shall be taken as correct. 22.If the amount of an item is not worked out by the contractor or it does not correspond with the rate written either in figures or in words that the rate quote by the contractor in words should be taken as correct. 23.Where the rate quoted by the contractor in figures and in words tally but the amount is not worked out correctly, the rate quoted by the contractor will be taken as correct, not the amount.

Electrical Works associated with routine maintenance work under Electric Power Distribution Section (EPDS)

Item no Description of item Unit Qty Rate (Rs.)

Amount (Rs.)

1. Providing earthing for earth station/ equipment/ at any required place, complete with charcoal and salt with 50mm dia 3 metre long medium G.I. pipe with G.I. clamps, nuts, bolts, funnel and all other materials, including all installation and earth chamber complete as per IS3043 including laying of GI strip/ Cu wire for earth connection to the earth bar/ equipments in under ground / by wall surface up to 10 mtr length. (except charcoal, salt and earth pit material, all other materials supplied by the deptt)

Set

2

2. Laying of one cable in U/G trench 760mm average depth with brick protection on the top of the cable with 8 (eight) nos. bricks per meter including filling the space between the bricks and cable and also the trench with shifted soil levelling up restoring the surface duly rammed of following sizes :

a) Upto 35 Sqmm 3.5 Core b) Above 35 Sqmm to 185 Sqmm 3.5 Core c) Above 3.5 Core 185 Sqmm

Mtr Mtr Mtr

1000 200 200

3. Single cable laying through prelaid G.I. Pipe/masonary trench / along the pole as follows As per PWD Schedule

a) Upto 50 Sqmm 3.5 Core b) Above 50 Sqmm 3.5 Core

Mtr Mtr

50 50

4. Laying of cable on wall / surface including S & F M.S. shaddles, with earthing arrangement with 10 SWG G.I. wire, making holes etc. as necessary & mending good the damages and painting of cables of the following sizes.

a) 3.5 / 4 Core Upto 25 Sqmm b) 3.5 Core 35 Sqmm to 50 Sqmm c) 3.5 Core 70 Sqmm to 95 Sqmm

Mtr Mtr Mtr

100 50 50

5. Making straight through joint of 2/4/3.5 Core cable (jointing kit supplied by the Department)

Set 10

6. Laying of G.I. Pipe across the road through horizontal boring without damaging the road surface below 1m of the road level (G.I. Pipe supplied by the Department)

Mtr. 50

7. Erection of Poles As per PWD schedule See annexure – 1 sl No. – 1.

Set 5

8. Dismantling of Rail pole / steel tubular pole/ RCC pole from the ground and shifted the pole to the store, including filling the hole with shifted soil/ soil carrying from store.

No. 10

9. Retrieving of service / unserviceable cable from under ground trench which includes excavation of earth, removing of brick protection and cable, and then re-fling, the trench with shifted soil and restoring the surface duly rammed and deposit the

Mtr.

750

cable and bricks at departmental store. This job includes relaying new cable using the same trench and unbroken bricks as instructed by the site –in-charge.

10. Finishing the end of 1.1 Kv grade PVC (A) cable by crimping method with dowels make solder less socket, glands, tapes and jointing materials (ISI marked) with identification tags etc. and making connections to feeder pillars with all necessary hardware’s as required of following sizes.( Socket & gland deptt. supply)

a) up to 50 Sqmm b) 70 Sqmm to 150 Sqmm c) 185 Sqmm to 400 Sqmm

Set

50 25 15

11. Temporary cable laying& connection for emergency power in case of break down etc. job includes carrying of cable from Store to Site, laying of cable, dismantling the cable when the situation become normal and deposit the cable to Store.

Mtr. 450

12. Replacement/Repair of Main Switch/SFU including dismantling of existing one end fixing a new one or fixing a new switch/SFU (supplied by the Department) and making necessary connection , (32 A to 400 A) as reqd incl. all hardwires.

No.

15

13. Drawing of 4 Sqmm/ 6 Sqmm CTS Aluminium wire from OH pole/feeder pillar for the purpose of providing temporary service connection (in case of damage of existing service cable) to respective quarters or Puja Pandals/ Community festivals etc. or for providing street light connection to a new fittings at a remote place.

Mtr

500

14. Street light repairing job including replacement of complete light fittings TL/SON lamp starter/ holder/ choke/ ignator and any other related job one or more of above job in one street light (all the materials supplied by the Department).This job includes dismantling of old street light , fixing of new street light fitting as required.

No.

750

15. FIXING OF PVC LOOP BOX Fixing of loop box (Dept. supply) at a height of 2 ft. from top of the muffing, this job includes fabrication of loop box and its fixing arrangement and dismantling of old loop box.

Set

40

16 Attend “No power / Break down complain” in Residential area, Substations, Departments, Halls and in other establishments as and when required with engagement of required manpower, tools & tackles etc and restoration of power supply.

i) Duration 30 minutes ii) Duration 60 minutes iii) Duration 120minutes

Job Job job

Rupees in words

ANNEXTURE – 1 (Erection of pole) Sl. No. Description. 1. Erection of single single steel tubular / rail / RCC pole up to 9 mtr length with / without sole

plate and cap etc. in CC foundation (proportion and dimension indicated below) as to G.S. having 600 x 600 x 150mm thick CC (4:2:1) base block below sole plate / pole with hard stonechips including CC (6:3:1) muffing 0.03 mtr. (1 ft.) dia and 0.03 mtr. (1 ft) above ground level including 3mm (1/8 inch) thick net cemented finish and providing G.I. earth bolt after making drilled holes etc.on pole and carrying of pole upto 1.6 Km from Store Depot. to Work site including filling of the excavated earth pit with shifted soil and ramming properly.

GENERAL SPECIFICATION AND CONDITIONS

1. The work shall be carried out as per National Code or P.W.D. specifications for works at West Bengal or other wise as specified in the Schedule of Quantities for the works.

2. The rates on percentage quoted by the contractors shall be for all leads, lifts, depth etc. unless otherwise specified in the schedule of quantities attached to agreement.

3. The work will be carried out as per instructions given by the Engineer-in-Charge and as per layout plan and the contractor shall be bound to carry out the work in accordance with the revised instruction and /OR modified drawing.

4. The brick shall be second class and / or first class bricks or a specified in the schedule of quantities and shall be of local best available size. To use first class brick only for construction of feeder pillar foundation.

5. All the materials such as stone chips. Sand pipes and other materials to be used in the work shall have to be approved by the Engineer-in-Charge not below the rank of Assistant Engineer.

6. No pipe line shall be covered until the same has been approved by the Engineer-in-Charge. 7. All charges for the Municipal fees and other taxes that may be payable as per local Municipal rules be

paid by the contractors and his rates for such items shall be inclusive of all such charges. Nothing extra will be paid on this account by the department.

8. The contractor shall construct suitable go-down at the site of work for storing the materials safe against damage by Sun, Rain, dampness, fire, theft, etc. at his own cost. He shall also employ necessary watch and ward establishment for tools and plant and other materials issued to him at his own cost. No extra payment shall be made on this account.

9. After laying of cable in underground the trench must be strictly mended and duly rammed with a rammer or rolled with a roller.

10. The fences damaged while digging the trench in individual quarters must be mended using barbed wire and bamboo or concrete pillars.

11. All G.I. items mentioned in the entire tender should be or hot dipped galvanization. 12. All light brackets are to be made first as specified in the tender and then hot dipped galvanizations are

to perform. No cracks are acceptable on brackets. 13. Empty cable drums are to be deposited to the Section or Store as desired by Site-in-Charge. 14. Any item used while execution of the work, should be duly approved by the department. 15. Prior to commencement of the work Registration from labour enforcement office has to be taken. Also

it may be noted that minimum wages as per minimum wages Act must be paid to the contract labours. Currently the minimum wage as per G.O.I norms is Rs.283/- which must be followed.

16. The Site Supervisors should possess supervisory competency certificate and the Electricians should have proper work permits.

17. Safety of materials issued by the Department to the Contractor is the contractors’ responsibility. 18. Safety of engaged manpower of Contractor is the Contractor’s responsibility. The successful tenderer

shall at all times indemnify the Institute, consequent on this work contract. The successful Tenderer shall be liable, in accordance with Indian law & Regulations for any accident occurring due to any cause and the Institute shall not be responsible for any accident and damage incurred or claims arising there from during the period of erection, construction and putting into operation the equipment under the supervision of the successful bidder in so far as the latter is responsible. The successful Tenderer shall also provide all insurance including third party insurance as may be necessary to cover the risk. No extra payment would be made to the successful Tenderer due to above.

Indian Institute of Technology, Kharagpur

Estate (E&M) Works Section

Tender Document

For

Name of the Work : Electrical Maintenance Work for Academic area in Main Institute Building, New Academic Complex, NCRC and also in STEP Gopali, IIT Kharagpur. 1. The site for the work is available/or the site for the work shall be made available in the parts as specified below. 2. The time allowed for carrying out the work will be 12 (Twelve) Months from the day

after the date of written orders to commence the work. 3. The contractor should quote the figures as well as in words the rate and amount


4. When a contractor signs a tender in an Indian Language the total amount tendered should also be written in the same language. 5. Earnest Money, amounting to Rs.9,900.00( Rupees Nine thousand nine hundred only) in Demand Draft in favour of “ IIT Kharagpur” on SBI, Kharagpur must accompany each tender and each tender is to be in a sealed cover superscribed

with , “Electrical Maintenance Work for Academic area in Main Institute Building, New Academic Complex, NCRC and also in STEP Gopali, IIT Kharagpur.” 6. Earnest Money of the successful bidder is to be converted into security deposit, further sum amounting 10% or as applicable will be deducted from your running bill(s)/final bill. 7. The acceptance of a tender, will rest with the authority who does not bind himself to












18.The contractors exempted from payment of earnest money/security deposit in individual cases should attach with the tender an attested copy of the Institute’s letter

exempting them from the payment of earnest money and security deposit and should produce the original whenever called upon to do so.



Name of


Amount of work


Remarks


Electrical Maintenance Work for Academic area in Main Institute Building, New Academic Complex, NCRC and also in STEP Gopali, IIT Kharagpur.

Sl. No. Description Unit Qty

. Rate (Rs.)

Amount (Rs.)

1 Wiring for light point / fan point /call bell point / exhaust fan point with 1.5 sq mm FRLS PVCinsulated copper conductor single core cable in surface / recessed medium class PVC conduit,with modular switch, modular plate, suitable size GI box and earthing the point with 1.5 sq mm FRLS PVCinsulated copper conductor single core cable etc as required .

a) Upto 6 metres. Point 40 b) Above 6 metres . Point 10 2 Wiring for circuit / submain wiring alongwith

earth wire with the following sizes of FRLS PVC insulated copper conductor , single core cable in surface / recessed medium class PVC conduit as required .

a) 2 X1.5 sq mm +1X1.5 sq mm for E.C.C Mtr. 40 b) 2 X2.5 sq mm +1X2.5 sq mm for E.C.C Mtr. 400 c) 2 X4 sq mm +1X4 sq mm for E.C.C Mtr. 400 d) 2 X6 sq mm +1X6 sq mm for E.C.C Mtr. 40 e) 2 X10 sq mm +1X10 sq mm for E.C.C Mtr. 40 f) 2 X16 sq mm +1X16 sq mm for E.C.C Mtr. 30 g) 4 X4 sq mm +2X4 sq mm for E.C.C Mtr. 40 h) 4 X6 sq mm +2X6 sq mm for E.C.C Mtr. 40 i) 4 X10 sq mm +2X10 sq mm for E.C.C Mtr. 40 j) 4 X16 sq mm +2X16 sq mm for E.C.C Mtr. 30 3 Supplying and fixing of following sizes of

medium class PVC conduit along with accessories in surface / recess including cutting the wall and making good the same in case of recessed conduit as required.

a) 20 mm Mtr. 30 b) 25 mm Mtr. 30 c) 40 mm Mtr. 30 4 Supplying and drawing following sizes of FRLS

PVC insulated copper conductor, single core cable in the existing surface /recessed steel / PVC conduit as required.

a) 2 X1.5 sq mm +1X1.5 sq mm for E.C.C Mtr. 30 b) 2 X2.5 sq mm +1X2.5 sq mm for E.C.C Mtr. 30 c) 2 X4 sq mm +1X4 sq mm for E.C.C Mtr. 30 d) 2 X6 sq mm +1X6 sq mm for E.C.C Mtr. 30 5 Drawing only of following sizes FRLS PVC

insulated copper conductor, single core cable in the existing surface /recessed steel / PVC conduit as required.

From 2 X1.5 sq mm +1X1.5 sq mm for E.C.C to 2 X6 sq mm +1X6 sq mm for E.C.C

Mtr. 30

6 Supplying and fixing metal box of following sizes on surface or in recess with suitable size of phenolic laminated sheet cover in front including painting etc as required.

a) 75 mm X 75 mm X 60 mm deep Each 5 b) 100 mm X 100 mm X 60 mm deep Each 5 c) 150 mm X 75 mm X 60 mm deep Each 5 d) 150 mm X 150 mm X 60 mm deep Each 5 7 Supplying and fixing following sizes / modules

,GI box along with modular base & cover plate for modular switches in recess etc as required .

a) 1 or 2 Module Each 20 b) 3 Module Each 30 c) 4 Module Each 5 d) 6 Module Each 50 e) 8 Module Each 5 f) 12 Module Each 30 8 Supplying and fixing following modular switch /

socket on the existing modular plate & switch box including connections but excluding modular plate etc as required .

a) 5 /6 amps switch Each 100 b) 15 /16 amps switch Each 60 c) 3 pin 5 /6 amps socket outlet Each 100 d) 6 pin 15 / 16 amps socket outlet Each 60 e) Bell push Each 5 9 Supplying and fixing stepped type electronic fan

regulator on the existing modular plate switch box including connections but excluding modular plate etc. as required.

Each 30

10 Supplying and fixing call bell/ buzzer suitable for single phase,230 volts, complete as required.

Each 5

11 Supplying and fixing 3 pin, 5 amp ceiling rose on the existing junction box/ wooden block including connection etc as required.

Each 5

12 Supplying and fixing modular blanking plate on the existing modular plate & switch box excluding modular plate as required

Each 20

13 Supplying and fixing of modular plate type 11-18 A motor starter unit complete with 25 A DP MCB and 20 A plug & socket flushed in wall with earthing attachment for Split / Window Airconditioner equiv. to Northwest (Complete unit).

Each 10

14 Installation , testing and commissioning of pre- wired, fluorescent fitting /compact fluorescent fitting/LED fittings of all types complete with all accessories and tube etc. directly on false ceiling / wall including connection with 3 X1.5 sq mm FRLS PVC insulated copper conductor single core cable and earthing etc as required.

Each 40

15 Installation , testing -do- -do- including supplying and fixing ball and socket arrangement, 2 no down rods of 20 mm dia X 1.6 mm thick steel conduit upto 30 cm length painting and wiring the down rods and connection -do-.

Each 20

16 Fixing only outdoor / street light type fluorescent light fitting complete with all accessories to be fixed/projected from the wall of the building incl. making holes to building, S&F 40 mm dia. GI pipe(ISI-Medium) 1.50 mts. average length, with GI socket at one end and thread at the other end & suitable bend to house the fitting & making necy. connections with S&F necy. length of 3 X1.5 sq mm FRLS PVC insulated single core copper wire and making connections as required and mending good damages to wall & painting.

Each 5

17 Installation , testing and commissioning of ceiling fan including wiring the down rods of standard length (upto 30 cm ) with 3 X1.5 sq mm FRLS PVC insulated copper conductor single core cable etc as required.

Each 40

18 Supply and fixing of extra conduit down rod of 20 mm dia (heavy gauge), 2x10 cm length, wiring with 3X1.5 sq mm single core FRLS PVC cu cable including cutting, threading and painting etc as required.(Note : More than 5 cm length shall be rounded to the nearest 10 cm and 5 cm or less shall be ignored.)

Each 30

19 Installation of exhaust fan in the existing opening including of all hardwares & making good the damage connection, testing, commissioning etc. complete as required.

a Upto 450 mm sweep Each 5 b 510 mm sweep Each 5 20 Extra for fixing the louvers / shutters complete

with frame for a exhaust fan of all sizes. Each 5

21 Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 kv grade of following size on wall surface as required incl. S+F of 1X10 SWG GI wire for E.C.C making holes and manding good the damages to original finish incl painting.( Cable Dept supply)

a) Upto 35 sq mm (clamped with 1 mm thick saddle)

Mtr. 100

b) Above 35 sq mm and upto 95 sq mm (clamped with 25X3 mm MS flat clamp)

Mtr. 100

22 Fixing of cable trays of any size to be fixed on wall surface /suspended from the ceiling with 25X5 mm GI angle cable tray support/ M.S. suspenders 03 sets per metre including S&F of bullets,bolts & nuts 03 sets per metre with transportation of cable trays to the site and painting of cable tray supports/suspenders etc as required (Cable trays Deptt. supply). This include earthing of cable trays with S+F 10 SWG GI wire as required.

Mtr. 10

23 Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on cable tray along with S+F of 10 SWG GI wire as earth wire as required.

a) Upto 35 sq. mm (clamped with 1mm thick saddle @ 3 sets per metre.)

Mtr. 20

b) Above 35 sq. mm and upto 95 sq. mm (clamped with 25X3mm MS flat clamp @ 3 sets per metre.)

Mtr. 20

24 Laying of cable as below after cutting floor/pavement/wall/ and making holes incl embedding the cable at an average depth as below and mending good the damages to original finish incl S+F of 1X10 SWG wire for ECC (Cable Dept Supply)

a) From 2.5 sq mm to 35 sq mm at an average depth of 75 mm in floor/ pavement/wall etc. Mtr. 20

b) Above 35 sq mm to 95 sq mm at an average depth of 100 mm in floor/ pavement/wall etc. Mtr. 20

25 Laying of one number PVC insulated and PVC sheathed / XLPEpower cable of 1.1 KV grade of following size direct in ground including excavation, sand cushioning, protective covering @ 8 bricks per metre on each cable and refilling the trench etc. as required.

a) Upto 35 sq. mm Mtr. 20 b) Above 35 sq. mm and upto 95 sq. mm Mtr. 20 26 Laying and fixing of one number PVC insulated

and PVC sheathed / XLPE power cable of 1.1 kv grade of following size in the existing masonry open duct incl mending good the damages to original finish. (Cable Dept Supply). This includes S+F 10 SWG GI earth wire for cables.

a) Upto 35 sq mm . Mtr. 20 b) Above 35 sq. mm and upto 95 sq. mm Mtr. 20 27 Supplying and making end termination with brass

compression gland and lugs for following size of PVC insulated and PVC sheathed/XLPE aluminium conductor cable of 1.1 KV grade as required.

a) 2X6 sq mm Each 4 b) 2X10 sq mm Each 4 c) 2X16 sq mm Each 4

d) 4X10 sq mm Each 4 e) 4X16 sq mm Each 4 f) 3.5X25 sq mm Each 4 g) 3.5X35 sq mm Each 4 h) 3.5X50 sq mm Each 4 i) 3.5X70sq mm Each 2 j) 3.5X95 sq mm Each 2 28 Earthing with GI earth pipe 4.5 mtr long, 40 mm

dia including accesssories and proving masonary enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/coke and salt as required.

Each 2

29 Earthing with copper earth plate 600 mm*600 mm*3 mm thick including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc with charcoal / coke and salt as required.

Each 2

30 Providing and fixing earth bus of 50mm X5mm copper strip on surface for connection etc. as required.

Mtr. 2

31 Providing and fixing 6 SWG dia GI wire on surface or in recess for loop earthing along with existing surface/ recessed conduit/ submain wiring/ cable as required for GI pipe earthing.

Mtr. 50

32 Providing and fixing 4.00 mm dia copper wire on surface or in recess for loop earthing along with existing surface/ recessed conduit/ submain wiring/ cable as required for copper plate earthing.

Mtr. 50

33 Providing and fixing 25X5 mm copper strip on surface or in recess for connections etc. as required.

Mtr. 20

34 Providing and fixing 25X5 mm G.I. strip on surface or in recess for connections etc. as required.

Mtr. 20

35 Supply and Fixing medium gauge Gi pipe(ISI-Medium) protection for cable entry including bending the pipe to the required shape complete as required with laying of wire/cable through pipe.

a) 25 mm Mtr. 20 b) 40 mm Mtr. 10

36 Fixing of followings directly on surface / recessed /on flat iron legs on wall including necessary connection as required. ( DBs/ switch fuse unit : Department supply ).

a SPN MCB DB (4 to 16 way) Each 10 b TPN MCB DB (4 to 12 way) Each 5 c TPN Switch fuse units( 32 A to 400 A) Each 2

37 Fixing only 240V SPN/415V TPN Sheet Steel Main Switch or DP/TP/FP sheet steel enclosure or SP/TP Industrial Plug,socket directly on surface / recessed /on flat iron legs on wall along with required DP/TP/FP MCB including necessary connection, testing as required. (Enclosure/Main switch / Industrial Socket : Department supply ).

Each 15

38 Dismantling of Light Fitting / Fans / SPN DB/ TPN DB/Main Switch /Main Supply Panel /existing old wiring, cable etc and shifting to site store including mending good damages to original finish.

Complete Work

Rupees in words

Make :-

FRLS Wire, 1.1 KV :- Finolex/Havells/Gloster/Rajnigandha. PVC pipe (MMS) :- Presto plast/ Precision . Switch/Socket/Regulator :- Legrand (Myrius range)/Crabtree Thames Platinum range/ Wipro(Nowa). 3 Pole Ceilling Rose/ Holder :- Anchor / SSK,

G.I pipe :- TATA (Medium) / Bansal (Medium) or Equivalent

N.B:1) All materials to be used after prior

approval of Engineer in charge.

2) The Contractor is liable to work at STEP,Gopali site also.

3) All eletrical work includes dismantling of old items in respective area and depositing .

them to the store.

Indian Institute of Technology, Kharagpur Estate (E&M) Works Section

Tender Document

For

Name of the Work : Supply, installation, testing and commissioning of 400kVA Servo Controlled Voltage Stabilizer for ANICUT Pump House, IIT Kharagpur. . 1. The site for the work is available/or the site for the work shall be made available in the parts as specified below. 2. The time allowed for carrying out the work will be 4 (Four) Months from the day after

the date of written orders to commence the work. 3. The contractor should quote the figures as well as in words the rate and amount


4. When a contractor signs a tender in an Indian Language the total amount tendered should also be written in the same language. 5. Earnest Money, amounting to Rs.13,685.00( Rupees Thirteen thousand six hundred eighty five only) in Demand Draft in favour of “ IIT Kharagpur” on SBI, Kharagpur must accompany each tender and each tender is to be in a sealed cover superscribed with , “Supply, installation, testing and commissioning of 400kVA Servo Controlled Voltage Stabilizer for ANICUT Pump House, IIT Kharagpur”. 6. Earnest Money of the successful bidder is to be converted into security deposit, further sum amounting 10% or as applicable will be deducted from your running bill(s)/final bill. 7. The acceptance of a tender, will rest with the authority who does not bind himself to












18.The contractors exempted from payment of earnest money/security deposit in individual cases should attach with the tender an attested copy of the Institute’s letter

exempting them from the payment of earnest money and security deposit and should produce the original whenever called upon to do so.



Name of


Amount of work


Remarks


Supply, installation, testing and commissioning of 400kVA Servo Controlled

Note: 1) The contractors must have to submit G.A. diagram control circuit diagram indicating the make of all components for getting approval from the Institute before placing order. They are also to arrange the factory inspection of the stabilizer before delivery at site. 2) The contractor has to undertake minor civil works for installation of the voltage Stabilizer at site as per site requirement.

Sl. No.

Item Unit Qty Rate (Rs.)

Amount (Rs)

1 Supply, installation, testing and commissioning of 400 kVA servo controlled Automatic Voltage Stabilizer with digital micro controlled with Copper Winding, oil cooled type with bye pass arrangement of power drawing and strictly as per ANX-1 attached herewith. The job involves testing of Transformer oil and subsequent filtering of oil at site before commissioning. Make: Sen & Pandit Systems, Moto line Electronics, Power Bank (AMPLE) India, Baid Power Services Pvt Ltd. Automatic Electric (AE) ,Fiji Electronics Pvt Ltd.

Set 1

2 Dismantling of existing voltage stabilizer at Anicut pump house. The job includes dismantling of existing cables, end termination removing of voltage stabilizer reconnection of the old cables with end terminations, earthing work complete and deposit the item to store as instructed. NOTE: Minor civil work is to be undertaken during the work.

Lump sum

Lump sum

Rupees in words

400kVA 3 PHASE SERVO CONTROLLED VOLTAGE STABILIZER GENERAL SPECIFICATION DEPT. OFFER BIDDER’S OFFER Standard Conforming to IS 9815 Rating 400kVA, 3 phase Input Voltage Range 300V-460V AC 3 phase 50/60Hz Phase to

Phase

Output Input Range 340V-480V AC/ 360V-460V AC Output Voltage 3 phase 415V AC (+/-) 2% System Unbalanced 4 wire: R Y B N Response Time Less than 10 mili seconds Efficiency More than 98% Duty Cycle 100% Suitability Suitable for 3 phase, 4 wire unbalanced

voltage, unbalanced load.

Correction Method Step less correction using Variac Control Circuit Full automatic IC based solid state control

card

Method of Cooling Oil Operating Frequency 45Hz to 55Hz Output Voltage Adjustable 380V to 415V in 3 phase Output Voltage Regulation (+/-) 1% (No Load) Output Voltage Regulation (+/-) 1% (Full Load) Overload Capacity 120% Waveform Distortion Nil Output Waveform True Reproduction of Input Insulation Class ‘F’ Short Ckt Period & Percentage 300% for 60 degree C Normal Operation Temperature 0 to 60 C (Degree centigrade Ambient

temp)

Additional facility Suitable for 3 phase, 4 wire unbalance voltage, unbalanced load.

Transformer and Variac Wound with electrolyte grade copper of 99.9% purity low loss CRGO lamination to be provided.

Control Panel Micro processor based microcontroller having computer interface port for communication and software in computer have the facility to view the status of stabilizer and record all the abnormal condition on time basis. INPUT/ OUTPUT SELECT SWITCH AUTO/ MANUAL SELECT SWITCH INCREASE/ DECREASE SWITCH TO CONTROL THE OUTPUT VOLTAGE IN MANUAL MODE VOLTAGE ADJUST TO SET REQUIRED OUTPUT VOLTAGE IN AUTO MODE

Signature of the Bidders: -------- GENERAL SPECIFICATION DEPT. OFFER BIDDER’S OFFER Insulation Better than 5 maga ohm

Class- H

High Voltage Can withstand 2.5 kV for 5 seconds Phase Indication Input/ Output voltage per phase

Input/ Output current per phase Frequency High/ low voltage with buzzer Phase sequence indication Oil level indicator

Monitoring Facility Input voltage & current Output voltage & current Frequency Power Factor Energy (kWH) Oil temperature

Mode of System Fully automatic (the system should have provision for manual operation)

Extra Protection Two transient voltage surge suppressor, three phases to be provided for protection against surge voltage technical specification of TVSS is given below.

1. Protection for all mode (L-L-E, L-N-E, N-E)

2. Surge current ratings 100kA 3. Response time <0.5 nano sec. 4. EMI/ RFI max attenuation-

40dB 5. Short circuit rating- 100kA 6. Standard- UI 1449 or ITS BIS/

IS equivalent standard

Protection Low/ high voltage cut off facilities Overload protection Short circuit protection Electronics over Voltage, Trip, Under Voltage, Single Phasing Preventer

Warranty 02 years after satisfactory installation and commissioning

Inspection The contractor has to arrange site inspection of the Institute engineer before delivery of materials at site.

Signature of the Bidders: --------

the executive engineer (electrical works), iit kharagpur invites

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